/Engine/Source/Runtime/Engine/Classes/Animation/BlendSpace.h
Updates a cached set of blend samples according to internal parameters, blendspace position and a delta time. Used internally toGetAnimationPose(). Note that this function does not perform any filtering internally.
bool UpdateBlendSamples ( const FVector & InBlendSpacePosition, float InDeltaTime, [TArray](API\Runtime\Core\Containers\TArray)< [FBlendSampleData](API\Runtime\Engine\Animation\FBlendSampleData) > & InOutSampleDataCache, int32 & InOutCachedTriangulationIndex ) const